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Move the logic for determining the `wchar_t` type information into the
driver. Rather than passing the single bit of information of
`-fshort-wchar` indicate to the frontend the desired type of `wchar_t`
through a new `-cc1` option of `-fwchar-type` and indicate the
signedness through `-f{,no-}signed-wchar`. This replicates the current
logic which was spread throughout Basic into the
`RenderCharacterOptions`.
Most of the changes to the tests are to ensure that the frontend uses
the correct type. Add a new test set under `test/Driver/wchar_t.c` to
ensure that we calculate the proper types for the various cases.
llvm-svn: 315126
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Match LLVM changes from r224257.
llvm-svn: 224259
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These don't actually require any registered backend to run.
This commit tests the water with a handful of fixes for what is a more
widespread problem.
llvm-svn: 212008
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Add module flags metadata to record the settings for enum and wchar width,
to allow correct ARM build attribute generation
llvm-svn: 211354
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